<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
</html><!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <!-- 目前div的使用频率较高   -->
    <div id="header">头部</div>
    <div id="nav">导航栏</div>
    <div id="article">文章</div>
    <div id="footer">页脚</div>
    <hr>
    <!-- h5新增的一些带有语义的分区标签 -->
    <header>头部</header>
    <nav>导航栏</nav>
    <main>主体</main>
    <article>文章</article>
    <section>区域</section>
    <aside>侧边栏</aside>
    <footer>页脚</footer>
</body>
</html>